Medium · published November 7, 2025
Advantech WebAccess/VPN versions prior to 1.1.5 contain an absolute path traversal via AjaxStandaloneVpnClientsController.ajaxDownloadRoadWarriorConfigFileAction() that allows an authenticated network administrator to cause the application to read and return the contents of arbitrary files the web user (www-data) can access.
| Product | Versions | Fixed in |
|---|---|---|
| advantech/webaccess\/vpn | < 1.1.5 | 1.1.5 |